I am using S8 but i didn't get dual volte futures my friends have J8 and j6 both device dual volte future have plz do for S8 and note8 both have flagship device more expensive compare to j8 and J6

i am using j7 pro lest 1.5 months but i am not taking any update in my phone j7 pro ram management very bad and my phone is hanging to much when i get any update about my phone plz do some thing i am samsung fun

i want use s secure in my s7 plz do something for me

sir i have to know about my s7 when i get s secure to use